Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
Not Fully Mission
a. Move vehicle back and forth
a. Track tension
several times on level ground.
will not adjust.
Coast to a stop without braking.
Place transmission in neutral. Turn
off engine. Measure distance be-
tween top of third roadwheel from
sprocket and track. The distance
should be between 1/4 inch (0.84 cm)
and 3/8 inch (0.95 cm). If not, adjust
When increasing track tension,
do not let track adjuster extend
beyond 3 1/2 inches (8.89 cm).
To increase track tension, pump
grease (GAA) into clean fitting on
track adjuster until correct tension